Two-banded Longhorn vs Atlas Blue Butterfly

Side-by-side species comparison

Attribute Two-banded Longhorn Atlas Blue Butterfly
Scientific Name Rhagium bifasciatum Polyommatus atlanticus
Order Coleoptera Lepidoptera
Family Cerambycidae Lycaenidae
Size 12-22 mm 25-32 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Herbivores
Regions Europe, North Africa Africa
Conservation Least Concern Vulnerable

Two-banded Longhorn

A robust, short-antennated flower longhorn with two yellowish bands on dark elytra. Common across European forests, adults appear very early in spring and are among the first beetles active. Larvae develop under bark of dead conifers.

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Did You Know?

Larvae create a characteristic oval pupal chamber under bark, lined with coarse wood fibers that insulate against cold.

Atlas Blue Butterfly

A small blue butterfly restricted to high-altitude cedar forests in Morocco.

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Did You Know?

It survives at elevations above 1800 meters in North Africa.